package com.atguigu.jxc.service.impl;

import com.atguigu.jxc.dao.SupplierDao;
import com.atguigu.jxc.domain.ErrorCode;
import com.atguigu.jxc.domain.ServiceVO;
import com.atguigu.jxc.domain.SuccessCode;
import com.atguigu.jxc.entity.Log;
import com.atguigu.jxc.entity.Role;
import com.atguigu.jxc.entity.Supplier;
import com.atguigu.jxc.entity.User;
import com.atguigu.jxc.service.LogService;
import com.atguigu.jxc.service.SupplierService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
@Transactional
public class SupplierServiceImpl implements SupplierService {

    @Autowired
    private SupplierDao supplierDao;
    @Autowired
    private LogService logService;

    @Override
    public Map<String, Object> list(Integer page, Integer rows, String supplierName) {
        Map<String,Object> map = new HashMap<>();

        page = page == 0 ? 1 : page;
        int offSet = (page - 1) * rows;
        List<Supplier> suppliers = supplierDao.list(offSet, rows, supplierName);

        logService.save(new Log(Log.SELECT_ACTION,"分页查询供应商信息"));

        map.put("total", supplierDao.getSupplierCount(supplierName));
        map.put("rows", suppliers);
        return map;
    }

    @Override
    public ServiceVO save(Supplier supplier) {
        // 供应商ID为空时，说明是新增操作，需要先判断用户名是否存在
        if(supplier.getSupplierId() == null){

            Supplier exSupplier = supplierDao.findSupplierByName(supplier.getSupplierName());
            if (exSupplier != null) {
                return new ServiceVO(ErrorCode.ACCOUNT_EXIST_CODE, ErrorCode.ACCOUNT_EXIST_MESS);
            }

            supplierDao.addSupplier(supplier);
            logService.save(new Log(Log.INSERT_ACTION,"添加供应商:"+supplier.getSupplierName()));
        } else {
            supplierDao.updateSupplier(supplier);
            logService.save(new Log(Log.UPDATE_ACTION,"修改供应商:"+supplier.getSupplierName()));
        }

        return new ServiceVO<>(SuccessCode.SUCCESS_CODE, SuccessCode.SUCCESS_MESS);
    }

    @Override
    public ServiceVO delete(String[] id) {
        List<Supplier> supplierList = supplierDao.getSupplierByIds(id);
        for (Supplier supplier : supplierList) {
            String supplierName = supplier.getSupplierName();
            logService.save(new Log(Log.DELETE_ACTION, "删除供应商:" + supplierName));
        }

        supplierDao.deleteSupplier(id);

        return new ServiceVO<>(SuccessCode.SUCCESS_CODE, SuccessCode.SUCCESS_MESS);
    }
}
